Hi Stefan,
we used to have a similar issue here and solved it by transferring the
image(-data) in the RPC-response as base64 encoded...
<code class="PHP">
if ($includeImageInResponse === true)
{
// base64 encode the image and include it as data url:
$base64image = base64_encode($rawImage);
return "<img src='data:image/gif;base64,$base64image'>";
} else {
return $imgUrl;
}
</code>
Although this is PHP, you might get the idea
In the (qooxdoo-)frontend we just apply the returned value to the pane via
<code class="JavaScript">
container.setBackgroundImage(result.url);
</code>
Maybe it helps,
Peter
On 2010-07-14 13:13 Stefan Andersson wrote:
> In Java ServletOutputStream is suggested to be used in the server to stream
> an image to a response body in a page.
>
> How would you do it with qooxdoo? Is it possible to stream directly without
> any file storage on the server? How is that done?
>
> the Image class allows to set the source of the image but is there a way to
> transmit a response body whereto the ServletOutputStream can write?
>
> Then the file is not available to anyone, as if there is an image link. A
> situation where this is interesting is getting a rendered captcha image from
> the Java server by streaming.
>
> Thanks in advance!
>
> Stefan
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